| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | Witzig The Office Company AG | 🇨🇭Svizzera | Dissolved | 20/12/2017 – present |
| Officer | Confidentia Gesellschaft zur Förderung institutioneller Eigenverantwortung AG in Liquidation | 🇨🇭Svizzera | Liquidation | 22/05/2017 – present |
| Officer | Witzig The Office Company AG in Liquidation | 🇨🇭Svizzera | Liquidation | 18/10/2018 – present |
20/12/2017
appointed